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(No'ModeL) M. G. SHINN.

Barb for Wire Fences.

No. 238,447. Patented March 1,1881.

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N-PETERS, PHOTO-UTHOGRPHER. WASHINGTON. D O

UNITED STATES PATENT OFFICE.

MILTON O. SHINN, OF BURLINGTON, IOWA, ASSIGNOR TO THOMPSON MCOOSH, OFSAME PLACE.

BARB FOR WIRE FENCES.

SPECIFICATION forming part of Letters Patent No. 238,447, dated March 1,1881.

Application filed November 11, 1880. (No model.)

To all whom it may concern:

Be it known that I, MILTON G. SI1INN,a citizen of the United States,residing at Burlington,in the county of Des Moines and State of Iowa,haveinvented certain new and useful Improvements in Barbs forlVireFences; and I do hereby declare the following to be a full, clear, andexact description of the invention, such as will enable others skilledin the art to which itap1.)e1'-tains to make and use the same, referencebeing had to the accompanying drawin gs, and to the letters or figuresof reference marked thereon, which form a partof this specification.

Figure l is a front elevation, showing the barb as in place on thecable. Fig. 2 is a front elevation, showingcable and barb turned quarterround from the position in Fig. 1. Fig. 3 is a like view,barb and cableturned one-quarter farther. Fig. 4 is a like view, the cable and barbturned one-quarter farther.

This invention is designed to produce a metallic barb for wire fencesthat can'bc easily put upon the wires, and will retain its positionunder all ordinary circumstances of wear and use, and will be verydurable, all as will now be more fully set out and explained.

In the accompanying drawings, A denotes the fence-cable, preferablycomposed of two twisted strands or wires, 1) and c, and D the barb. Thisbarbis made of the two short pieces of wire (I and 6. These two wiresare of nearly equal length, and are closely wound interspirally aroundone of the cablewires, and only crossing each other at one point, wherethey are made to interlock with each other for the purpose of beingfirmly united in one unchangeable barb. The ends dd.and c and 6 make theusual four-pointed barb. Thus the four points of the barb will be atright angles to the cable and the barb-wires will be twisted firmly andsecurely on the cable. The cablewire 0 is twisted upon cable-wire b andthe barb-wires, so as to bind the barb more firmly in. place.

This peculiar method of forming the barb by twisting each of its wiresfirmly and securely about one of the cable-wires and in tertwisting themtogether, but only bending them 011 each other at the pointof locking,conspicuously indicates the great advantage and novelty of thisinvention.

This barbis easily and cheaplymade, and is very durable, not beinglikely to wear out or come apart or change its position.

Having thus described my invention, What I consider new, and desire tosecure by Letters Patent, is-

A fourpointed metallic fence-barb composed of two wires of nearly equallength, the two barb-wires being closely wound interspirally around oneof the cable-wires of the fence and only crossing each other at onepoint, where they are made to interlock with each other for the purposeof being firmly united into one unchangeable barb, substantially as andfor the purpose above described.

In testimony whereof I affix my signature in presence of two witnesses.

MILTON C. SHINN.

Witnesses J. H. BREMMERMAN, H. F. RoBDA.

